Yes, Moaideas is a Taiwanese publisher, not a Japanese one, but for the past couple of years they've used TGM as a launching ground for new titles that will be available at SPIEL later that year, so it's good to take our previews when we can. Heiki Strike Alternative is a two-player-only game that works as follows, assuming that I've understood everything correctly in the Google-assisted translation:
Players will grow stronger over the course of the game through the playing of cards. If a player empties their deck, they shuffle the discarded cards in their reserve to create a new deck, rebuild their base, and now get more resources each turn — but if they run through their deck a third time, they lose.
• Moaideas Game Design will have two other new releases at TGM in May 2019: Shadow Rivals, a 2-5 player design from Halifa in which everyone is trying to rob the same mansion, and マーダーミステリー~約束の場所へ~ (Murder Mystery: To the Promised Place), a six-player-only murder mystery game that plays in 2-2.5 hours and initially seems available solely in Japanese (whereas most Moaideas titles include rules in Chinese, English, and Japanese).
• Another Taiwanese publisher selling games at TGM in May 2019 is The Wood Games, with designer/artist Citie Lo featuring Board Game Cafe Frenzy, a trick-taking game for 2-5 players:
Board Game Cafe Frenzy is a tactical trick-taking game that consists of two phases, "Preparing" and "Opening the Door", with each phase lasting ten turns. In the "Preparing" phase, each player buys a card from the market each turn, and cards come in five types: board game, snack, clerk, store, and wi-fi. Each kind of card gives you different items that are important for managing your board game café.
During each turn of the "Opening the Door" phase, each player plays a card from their hand that they acquired during the first phase; players must play a different color than what's already been played, with higher numbers also being important. Hope that you prepared well! At the end of a turn, each player can use one action disk from their action bar to perform one specific action. After this phase ends, players undergo a final scoring, then add their coins to see who has the most money and has won the game.